<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        .box1{width: 100px;height: 100px;border: 1px black solid;border-radius: 5px;display: grid;
            grid-template-rows: repeat(3,1fr);
            grid-template-columns: repeat(3,1fr);
            place-items: center center;
        }
        .box1 div{width: 90%;height: 90%;background: black;border-radius: 50%;
            grid-column-start: 2;
            grid-column-end: 3;
            grid-row-start: 2; 
            grid-row-end: 3;
        }


        .box2{width: 100px;height: 100px;border: 1px black solid;border-radius: 5px;display: grid;
            grid-template-rows: repeat(3,1fr);
            grid-template-columns: repeat(3,1fr);
            place-items: center center;
        }
        .box2 div:first-child{width: 90%;height: 90%;background: black;border-radius: 50%;
            grid-column-start: 1;
            grid-column-end: 2;
            grid-row-start: 1;
            grid-row-end: 2;
        }
        .box2 div:last-child{width: 90%;height: 90%;background: black;border-radius: 50%;
            grid-column-start: 3;
            grid-column-end: 4;
            grid-row-start: 3;
            grid-row-end: 4;
        }
        

        .box3{width: 100px;height: 100px;border: 1px black solid;border-radius: 5px;display: grid;
            grid-template-rows: repeat(3,1fr);
            grid-template-columns: repeat(3,1fr);
            place-items: center center;
            grid-template-areas: 
            "a1 a2 a3"
            "a4 a5 a6"
            "a7 a8 a9";
        }
        .box3 div{width: 90%;height: 90%;background: black;border-radius: 50%; }
        .box3 div:nth-child(1){grid-area: a1;}
        .box3 div:nth-child(2){grid-area: a5;}
        .box3 div:nth-child(3){grid-area: a9;}


        .box4{width: 100px;height: 100px;border: 1px black solid;border-radius: 5px;display: grid;
            grid-template-rows: repeat(3,1fr);
            grid-template-columns: repeat(3,1fr);
            place-items: center center;
            grid-template-areas: 
            "a1 a2 a3"
            "a4 a5 a6"
            "a7 a8 a9";
        }
        .box4 div{width: 90%;height: 90%;background: black;border-radius: 50%; }
        .box4 div:nth-child(1){grid-area: a1;}
        .box4 div:nth-child(2){grid-area: a3;}
        .box4 div:nth-child(3){grid-area: a7;}
        .box4 div:nth-child(4){grid-area: a9;}


        .box5{width: 100px;height: 100px;border: 1px black solid;border-radius: 5px;display: grid;
            grid-template-rows: repeat(3,1fr);
            grid-template-columns: repeat(3,1fr);
            place-items: center center;
            grid-template-areas: 
            "a1 a2 a3"
            "a4 a5 a6"
            "a7 a8 a9";
        }
        .box5 div{width: 90%;height: 90%;background: black;border-radius: 50%; }
        .box5 div:nth-child(1){grid-area: a1;}
        .box5 div:nth-child(2){grid-area: a3;}
        .box5 div:nth-child(3){grid-area: a5;}
        .box5 div:nth-child(4){grid-area: a7;}
        .box5 div:nth-child(5){grid-area: a9;}

        .box6{width: 100px;height: 100px;border: 1px black solid;border-radius: 5px;display: grid;
            grid-template-rows: repeat(3,1fr);
            grid-template-columns: repeat(3,1fr);
            place-items: center center;
            grid-template-areas: 
            "a1 a2 a3"
            "a4 a5 a6"
            "a7 a8 a9";
        }
        .box6 div{width: 90%;height: 90%;background: black;border-radius: 50%; }
        .box6 div:nth-child(1){grid-area: a1;}
        .box6 div:nth-child(2){grid-area: a4;}
        .box6 div:nth-child(3){grid-area: a7;}
        .box6 div:nth-child(4){grid-area: a3;}
        .box6 div:nth-child(5){grid-area: a6;}
        .box6 div:nth-child(6){grid-area: a9;}
    </style>
</head>
<body>
    <div class="box1">
        <div></div>
    </div>
    <div class="box2">
        <div></div>
        <div></div>
    </div>
    <div class="box3">
        <div></div>
        <div></div>
        <div></div>
    </div>
    <div class="box4">
        <div></div>
        <div></div>
        <div></div>
        <div></div>
    </div>
    <div class="box5">
        <div></div>
        <div></div>
        <div></div>
        <div></div>
        <div></div>
    </div>
    <div class="box6">
        <div></div>
        <div></div>
        <div></div>
        <div></div>
        <div></div>
        <div></div>
    </div>
</body>
</html>